[AFMUG] Mimosa B11 Tx power at varying modulations

Mon Jul 18 22:56:03 UTC 2016

Apologies for that, it went to the wrong list. While the OSI layer 1
characteristics of new PTP microwave bridges are undoubtedly fascinating,
such discussion may be a little too fine grained for network operational
lists.

On Mon, Jul 18, 2016 at 3:52 PM, Eric Kuhnke <eric.kuhnke at gmail.com> wrote:

> I found this as well, which is very helpful. Wish more radio manufacturers
> were as clear about this in the spec sheet:
>
> http://backhaul.help.mimosa.co/backhaul-faq-maximum-tx-power-details
>
> In one channel, two chains, it's +24, if using two channels and four
> chains +21 Tx power. Then it's possible to manually do the link budget and
> path loss calculations based on that (or plug Tx power dBm + dBi gain for
> preliminary PTP link calculations into something like Radio Mobile).
>
>
> On Mon, Jul 18, 2016 at 2:44 PM, Jaime Fink <jaime at mimosa.co> wrote:
>
>> Eric, I think you’re more looking for SNR required for each modulation
>> coding rate, which care listed here:
>>
>> http://backhaul.help.mimosa.co/backhaul-faq-snr-mcs
>>
>> Cheers,
>>
>> Jaime Fink • Mimosa <http://www.mimosa.co> • CPO & Co-Founder
>>
>> On July 15, 2016 at 10:56:20 AM, Eric Kuhnke (eric.kuhnke at gmail.com)
>> wrote:
>>
>> Trying to manually do a link budget/path loss/rain fade calculation for a
>> possible long B11 link...
>>
>> Does Mimosa have a table of Tx power vs. modulation level published
>> somewhere? The datasheet just says +27 Tx power, which I am guessing is its
>> Tx power at QPSK modulation or something.
>>
>> I am doubtful it's +27 at 256QAM with a low-overhead-percentage code rate.
>>
>> https://www.mimosa.co/uploads/docs/Mimosa-B11-Datasheet.pdf
>>
>> Is it +17, +18 or +19 Tx at 256QAM?
>>
>>
>>
>